UFC featherweight Cub Swanson made a big impact at UFC on FX, defeating Ross Pearson by knockout. Swanson spoke with UFC Tonight analyst Ariel Helwani after the fight and gave his insight into what the division holds for him. watch video >>

This week on UFC Now we’ll talk about weight divisions, its evolution and the impact they have on the sport. Also, Dustin Poirier gains from a loss that helps him get to the top and Conor McGregor influences an entire country getting his inspiration from the Celtic Warrios. Plus, Kenny Florian and Brendan Schaub give you their TOP 5 European fighters in the UFC. Catch the Full Episode on UFC FIGHT PASS. watch video >>